package day05.classwork;

import java.io.StringBufferInputStream;
import java.rmi.Naming;

//  转换大小写

public class Demo02 {
    public static void main(String[] args) {
        String string= "hello";
        System.out.print(string+"------>");
        String string1=string.toUpperCase();
        System.out.println(string1);

        String string2="HELLO";
        System.out.print(string2+"------>");
        String string3=string2.toLowerCase();
        System.out.println(string3);
    }
}
